MELSRV ABI DATABASES Z39.50 SERVER STATISTICS
Time period: 09/15/01 through 09/21/01
1.0 SUMMARY STATISTICS
_______________________
Per hour usage:
Time Searches Records Presented
_______________ _____________ _________________
12-2 a.m. 49 1,186
2-4 a.m. 8 24
4-6 a.m. 4 213
6-8 a.m. 17 261
8-10 a.m. 170 2,990
10-12 a.m. 621 15,597
12-2 p.m. 519 16,127
2-4 p.m. 626 15,266
4-6 p.m. 373 9,994
6-8 p.m. 144 4,973
8-10 p.m. 132 4,239
10-12 p.m. 70 3,291
__________ _____________ _________________
Total: 2,733 74,161
1.1 SEARCH commands
____________________
Zero results may indicate no access to the database
Number of SEARCH commands issued by location:
Location Total
________ _____
Berkeley 29
Davis 33
Irvine 4
Los Angeles 71
Riverside 2
San Diego 13
San Francisco 4
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 0
Searchlight 559
Other - UC 1,983
Other-Network UC 35
_____
2,733
1.2 Records Presented
______________________
Zero results may indicate no access to the database
Number of Records Presented by location:
Location Total
________ _____
Berkeley 277
Davis 305
Irvine 188
Los Angeles 1,221
Riverside 0
San Diego 56
San Francisco 12
Santa Barbara 0
Santa Cruz 0
Lawrence Berkeley 0
Lawrence Livermore 0
Los Alamos 0
MELWEB 0
Searchlight 0
Other - UC 70,954
Other-Network UC 1,148
_____
74,161
1.3 Response time
__________________
Search response time from receipt of search request
DLA until transmission of search response:
Average in seconds 1.3
Standard deviation in seconds 6.7
Present response time from receipt of present request
DLA until transmission of a present response:
Average in seconds 0.2
Standard deviation in seconds 0.4
2.0 ABI Database Detailed Statistics
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Median session length (minutes:seconds) 20:01
Average session length (minutes:seconds) 14:23
Longest session recorded (minutes:seconds) 104:44
Average number of searches completed per session 0.0
Retrievals per search - median 8.0
Retrievals per search - average 957.2
Retrievals per search - standard deviation 6502.3
Percent of searches completed with 0 results 26.7%
Percent of searches entered that are long 0.4%
Percent of long searches completed
(includes partial results) 100%
Commands entered, by type, excluding errors:
Total Percentage
__________ __________
SEARCH 2,733 13.7%
PRESENT 15,755 78.9%
INIT or CLOSE 1,459 7.3%
OTHER 8 0.0%
SEARCHes completed: RETRIEVALS PER NON-
TOTAL ZERO RESULTS ZERO RESULT SEARCHES
_____________ ______________ ______________________
% of % of
all all for Std.
No. SEARCHes No. Index Median Avg. Dev.
______ _________ ______ _______ ______ __________ _______
By index:
PERSONAL AUTHOR 434 13.0% 127 29.3% 4 46.4 374.2
TITLE WORD 369 11.1% 132 35.8% 5 117.3 390.1
EXACT TITLE 34 1.0% 22 64.7% 2 188.8 540.5
JOURNAL 188 5.6% 91 48.4% 4 913.6 3839.7
EXACT JOURNAL 281 8.4% 47 16.7% 692 2323.5 6008.2
SUBJECT 110 3.3% 48 43.6% 15 351.6 1398.7
EXACT SUBJECT 95 2.8% 16 16.8% 47 3578.3 9259.7
KEYWORD 1,465 43.9% 330 22.5% 38 1445.2 9227.7
PUB TYPE 38 1.1% 5 13.2% 16 229.8 539.4
DATE 82 2.5% 16 19.5% 15 151.9 447.0
ADDED 28 0.8% 22 78.6% 15 17.7 14.6
LANGUAGE 19 0.6% 6 31.6% 26 359.1 710.8
GEOGRAPHIC NAME 0 0.0% 0 0.0% 0 0.0 0.0
SUBJ CATEGORY 4 0.1% 3 75.0% 3 3.0 0.0
COMPANY NAME 59 1.8% 19 32.2% 19 123.3 209.0
EX COMPANY NAME 13 0.4% 10 76.9% 52 83.0 99.2
DUNS 0 0.0% 0 0.0% 0 0.0 0.0
TICKER SYMBOL 0 0.0% 0 0.0% 0 0.0 0.0
ID NUMBER 1 0.0% 0 0.0% 1 1.0 0.0
ISSN 0 0.0% 0 0.0% 0 0.0 0.0
ISN 0 0.0% 0 0.0% 0 0.0 0.0
ARTICLE 26 0.8% 3 11.5% 191 288.8 331.4
AT 86 2.6% 10 11.6% 93 1557.4 6293.8
Other indexes 6 0.2% 5 83.3% 14 14.0 0.0
RETRIEVALS PER NON-
TOTAL ZERO RESULTS ZERO RESULT SEARCHES
_____________ ______________ ______________________
% of % of
all all for Std.
No. SEARCHes No. Index Median Avg. Dev.
______ _________ ______ _______ ______ __________ _______
By number of indexes:
Multiple 507 18.6% 154 30.4% 11 414.3 2977.8
Single 2,226 81.4% 577 25.9% 36 1497.8 8211.8
PRESENT commands, by type:
MARC 54.5%
OPAC 18.5%
SABmm/dd srv.abi MELSRV ABI DATABASES Z39.50 SERVER STATISTICS (weekly)